Jin Shang, a professor of biochemical engineering at the University of Western Ontario, has invented a contact lens that changes color when sugar levels change in the blood.
Those suffering from diabetes need to draw blood to check sugar levels.
Nanoparticles implanted in contact lenses interact with glucose molecules in tears. This interaction changes the color of the lens to indicate varying sugar levels.
This new medical invention could eliminate the need to draw blood to monitor glucose.
Dr Zhang's research received funding from the Canadian Foundation for Innovation to develop more nanocomposite applications for biomedicine.
Source: eng.uwo.ca/people/jzhang
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